Remote code execution in Microsoft Internet Explorer

Published: 2018-08-14 21:37:34
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-8373
CVSSv3 9.2 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CWE ID CWE-416
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Microsoft Internet Explorer
Vulnerable software versions Microsoft Internet Explorer 11
Microsoft Internet Explorer 10
Microsoft Internet Explorer 9
Vendor URL Microsoft

Security Advisory

1) Use-after-free

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a use-after-free error in VBScript when the scripting engine handles objects in memory in Internet Explorer. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: The vulnerability has been exploited in the wild.

Remediation

Install updates from vendor's website.

External links

Back to List